CN103309501B - Method and system for controlling display driving chip by using touch sensing chip - Google Patents
Method and system for controlling display driving chip by using touch sensing chip Download PDFInfo
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- CN103309501B CN103309501B CN201310168874.3A CN201310168874A CN103309501B CN 103309501 B CN103309501 B CN 103309501B CN 201310168874 A CN201310168874 A CN 201310168874A CN 103309501 B CN103309501 B CN 103309501B
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Abstract
A method for controlling a display driving chip (display. The method comprises the steps that the display driving chip receives a sequence transmission signal with mode indicating information from the touch sensing chip, and the display driving chip acquires the operation mode of the touch sensing chip according to the mode indicating information. The method of another embodiment of the present invention includes setting a scan setting register of the display driver chip according to the setting information of the serial transmission signal when the touch sensor chip operates in the setting mode, and driving the scan lines according to the contents of the scan setting register after the first predetermined time elapses according to the scan command information of the serial transmission signal when the touch sensor chip operates in the command mode. By adopting the method and the system provided by the embodiment of the invention, the efficiency of touch sensing can be improved.
Description
Technical field
The present invention relates to a kind of touch-control scan control interface, particularly a kind of via above-mentioned the control inerface method making touch-control sensing chip be controlled display driver chip and the system using the method.
Background technology
When a touch-control system carries out touch-control sensing, can be the standard judging the performance of this touch-control system to the tolerance level of correlation noise interference.And for the interference that special frequency channel may occur, the existing touch-control system substantially mode of timesharing/subarea-scanning or change sweep frequency that uses solves more.
When touch-control system is when using shift register to carry out touch-control sensing, because P-SCAN (sequentially) can only be carried out, make to drive the scanning between a certain given zone still to need to repeat to scan other regions, so will reduce the whole touch-control sensing efficiency of carrying out.
Summary of the invention
For prior art Problems existing, a kind of open method being controlled display driver chip (displaydrivingIC) by touch-control sensing chip (touchsensingIC) of the present invention.Touch-control sensing chip scans in order to control and receives the contact panel of its sensing signal, and display driver chip is the multi-strip scanning line controlling display panel and drive contact panel.Method of the present invention comprises: display driver chip receives the sequence transmission signal coming from touch-control sensing chip, wherein sequence transmission signal includes mode indication information, display driver chip knows the operating mode of touch-control sensing chip according to mode indication information, and sequence transmission signal also includes set information (settingmessage) or the scan command information (commandmessage) of the operating mode corresponding to touch-control sensing chip.The present invention comprises when touch-control sensing chip is when operating on set model equally, display driver chip is according to the scanning set-up register of the set information set and display driving chip of sequence transmission signal, and when touch-control sensing chip be running in command mode time, display driver chip terminates the rear content driven sweep trace according to scanning set-up register according to the scan command information of sequence transmission signal in first schedule time.
The present invention discloses a kind of system using the method for above-mentioned touch-control sensing chip controls display driver chip in addition.This system comprises and to be scanned by touch-control sensing chip controls and to receive the contact panel of its sensing signal, and the display panel controlled by display driver chip, and wherein the multi-strip scanning line of contact panel driven by display driver chip.Display driver chip is in order to receive the sequence transmission signal coming from touch-control sensing chip, wherein sequence transmission signal comprises mode indication information, display driver chip knows the operating mode of touch-control sensing chip according to mode indication information, and sequence transmission signal also comprises set information corresponding to the operating mode of touch-control sensing chip or scan command information.When touch-control sensing chip is when operating on set model, according to the scanning set-up register of the set information set and display driving chip of sequence transmission signal.When touch-control sensing chip be running in command mode time, the scan command information according to sequence transmission signal terminates the rear content driven sweep trace according to scanning set-up register in first schedule time.
The method and system that the embodiment of the present invention provides, can solve the problem that efficiency that the whole touch-control sensing that exists in prior art carries out reduces.
Above about the explanation of content of the present invention and the explanation of following embodiment be in order to demonstration with explain spirit of the present invention and principle, and provide claim of the present invention further to explain.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of the display device according to one embodiment of the invention.
Fig. 2 is the circuit diagram realizing touch-control sensing chip controls display driver chip according to one embodiment of the invention.
Fig. 3 is the schematic diagram of the sequence transmission signal according to one embodiment of the invention.
Fig. 4 is the signal timing diagram according to one embodiment of the invention.
Fig. 5 A is the schematic diagram of the driving scanning-line signal according to one embodiment of the invention.
Fig. 5 B is the schematic diagram of the driving scanning-line signal according to one embodiment of the invention.
Fig. 6 be according to one embodiment of the invention by the method flow diagram of TPIC control DDIC.
[Main Reference Numerals explanation]
102 contact panels
104 display panels
106、202TPIC
108、204DDIC
112,206 time clock lines
114,208 signal wires
116 synchronous signal lines
306 starting bits
308 stop bits
312,314,316,318 byte datas
322,334DDIC address date
324,336TPIC operating mode data
326,337 acknowledgement signal
328,329 mode register address dates
332 set informations
338 open beginning sweep trace information
342 terminate sweep trace information
344 scan commands
346 predetermined level time spans
402,406,414 time points
The transmission/reception time of 404 sequence transmission signals
408 first schedule times
412 second schedule times
502,504 scanning-line signal is driven
505,507,509,511,513,517,519,521 driving pulses
506,514 stand-by period
508,515 moving pulse intervals, fate
512,516 driving pulse time spans
The method flow of 600TPIC control DDIC
602,603TPIC and DDIC is initial
604 wait for the synchronizing signal VSYNC coming from DDIC
The synchronizing signal HSYNC of 605 wait DDIC
606 determine whether to send the request of any touch-control scan control interface (touchscanningcontrolinterface, TSCI)
The motion flow of 608TSCI
612 receive the set information/command information coming from TPIC
614 determine whether TPIC operates under command mode
616 waited for for first schedule time
618 start to drive sweep trace
622DDIC sets its scanning set-up register according to the set information in sequence transmission signal
624TPIC can wait the end of clock pulse signal to be maintained
626TPIC can terminate the action of TSCI
628TPIC judges the end now whether having reached each width signal
Embodiment
Below detailed features of the present invention and advantage is described in embodiments in detail, its content is enough to make any technician being familiar with this area general knowledge understand technology contents of the present invention and implement according to this, and according to the content disclosed in this instructions, claim and accompanying drawing, any technician being familiar with this area general knowledge can understand the object and advantage that the present invention is correlated with easily.Following embodiment further describes viewpoint of the present invention, but be not limit category of the present invention anyways.
Refer to Fig. 1, Fig. 1 is the simple block diagram of the display device 100 according to one embodiment of the invention.This display induction installation 100 includes contact panel (touchpanel) 102, display panel (displaypanel) 104, is used for controlling the touch-control sensing chip (touchpanelintegratedcircuit of scanning of contact panel 102, TPIC) 106 and control the display driver chip (displaydrivingintegratedcircuit, DDIC) 108 of display panel 104.
TPIC106 and DDIC108 is electrically connected by time clock line (clock) 112 and signal wire (data) 114.Wherein time clock line 112 and signal wire 114 are connected to common-battery potential source (VDD) respectively by resistance R1 and R2.Via time clock line 112 and signal wire 114, TPIC106 can control DDIC108 to export sweep signal (TX) to contact panel 102, and receive the sensing signal (RX) in response to this sweep signal from contact panel 102.Because the present invention is to provide a kind of method of TPIC106 control DDIC108, TPIC106 will be regarded as main side (master) and DDIC108 will be considered to controlled end (slave).One embodiment of the invention are by allowing DDIC108 can be configured to have the ability serving as controlled end, making TPIC106 can carry out the running of control DDIC108.
Between TPIC106 and DDIC108, synchronizing signal is had to be transmitted by synchronous signal line 116 in addition.This synchronizing signal includes horizontal-drive signal (HSYNC) and vertical synchronizing signal (VSYNC).
Refer to Fig. 2, Fig. 2 be according to one embodiment of the invention realize the circuit diagram that touch-control sensing chip 202 controls display driver chip 204.As previously mentioned, touch-control sensing chip (TPIC) 202 and display driver chip (DDIC) 204 are electrically connected to each other by time clock line 206 and signal wire 208, and time clock line 206 and signal wire 208 are connected to common-battery potential source VDD respectively by pull-up resistor R1 and R2.When TPIC202 or DDIC204 output clock pulse (CLK_OUT) or output signal (DATA_OUT) for low level time, the signal level of time clock line 206 or signal wire 208 is in low level state equally.Otherwise when the output clock pulse of TPIC202 or DDIC204 or output signal are the high level in correspondence, the signal of time clock line 206 or signal wire 208 is pulled up to corresponding high level by being pulled up resistance R1 and R2.
By time clock line 206 and signal wire 208, TPIC202 can transfer sequence signal transmission to DDIC204.The sequence transmission signal at this moment clock line 206 and signal wire 208 transmitted can be mode designation information, and this mode designation information can allow TPIC202 be notified the operating mode of DDIC204 about TPIC202.This operating mode includes set model and command mode.
When TPIC202 running is when set model (settingmode), TPIC202 is able to transmit set information (settingmessage) to DDIC204 via time clock line 206 and signal wire 208.And when TPIC202 running is when command mode (commandmode), time clock line 206 and signal wire 208 transmit scan command information (commandmessage) to DDIC204 from TPIC202.
Refer to Fig. 3, Fig. 3 is the schematic diagram of the sequence transmission signal 300-304 according to an embodiment disclosed by the invention.Sequence transmission signal 300-304 all includes the signal transmitted by time clock line and signal wire.Sequence transmission signal 300 points out the basic format of sequence transmission signal 302-304.For example, sequence transmission signal 300 includes start bit (startbit) 306 and stop bit (stopbit) 308.Multiple byte (byte) data 312-318 is included between start bit 306 and stop bit 308.This multiple byte data 312-318 comprises DDIC address date, TPIC operating mode data, pattern set-up register address (registeraddress) data, set information (settingmessage), initial/end sweep trace information (startscanline/endscanline) and scan command information (commandmessage).
Sequence transmission signal 302, for when TPIC operates on set model, transmits an embodiment of the signal on time clock line and signal wire.As previously mentioned, after sequence transmission signal 302 includes DDIC address date (deviceID) 322 (byte data 312 corresponding to sequence transmission signal 300), TPIC operating mode data (mode) 324 are connected in DDIC address date.This mode data can be position (bit) length.When TPIC running is at set model, this mode data 324 can for being set to 1, and mode data 324 is set to 0 when TPIC operates in command mode.And after the DDIC of corresponding DDIC address date 322 receives TPIC operating mode data 324, DDIC can respond the acknowledgement signal (acknowledgment, ACK) 326 of a bit length to TPIC.In one embodiment, the data that DDIC often receives a byte (byte) will return an acknowledgement signal 326.But if after a byte data is received, when TPIC does not receive the acknowledgement signal 326 coming from DDIC, TPIC can retransfer byte data and send information warning.
Sequence transmission signal 302 includes mode register address date 328 and 329 (may correspond to the byte data 314 and 316 in sequence transmission signal 300) in addition, and that is the length of this mode register address date may reach two bytes.Equally after the mode register address date receiving each byte, the acknowledgement signal 326 of a bit length can return to TPIC by DDIC.
The length of the set information 332 that sequence transmission signal 302 comprises in addition has a byte (byte data 318 corresponding to serial signal 300) at least.This set information 332 is used to the content setting the mode register corresponding to mode register address date.Similarly, after the set information 332 of a byte is received, the acknowledgement signal 326 of a bit length will be transferred into TPIC.
When TPIC running is in command mode, the sequence transmission signal 304 that institute transfers to DDIC includes DDIC address date 334 equally, length is a position and be set to the TPIC operating mode data 336 of 0, initial sweep line information 338, end sweep trace information 342 and scan command 344.Operate in the situation of set model identical with as TPIC, after DDIC receives the TPIC operating mode data 336 continued at DDIC address date 334, another acknowledgement signal 337 is understood be sent to TPIC by DDIC.Acknowledgement signal 337 is sent to TPIC by DDIC equally after DDIC receives the beginning sweep trace information 338 that opens, end sweep trace information 342 and scan command 344.
After first waiting for one period of first schedule time after DDIC completes reception scan command 344, start to drive sweep trace according to the content of mode register and the instruction of scan command 344.And within above-mentioned first schedule time and drive before sweep trace terminates, the clock pulse signal that time clock line transmits all remains on a predetermined level.Or rather, after scanning motion starts to carry out, this clock pulse signal can be kept (stretch) at predetermined level and maintain one period of second schedule time, and the time span 346 making clock pulse signal be positioned at predetermined level equals the summation of first schedule time and second schedule time.First schedule time was in units of synchronizing signal HSYNC, and that is the time span of first schedule time can be the time span of multiple synchronizing signal HSYNC.
After clock pulse signal will no longer continue to remain on predetermined level, the stop bit 308 as sequence transmission signal 300 can be output.Afterwards, DDIC can wait for the reception of next sequence transmission signal.
Refer to Fig. 4, Fig. 4 is the signal timing diagram according to one embodiment of the invention.TPIC can send the request (touchscancontrolinterfacerequest, TSCIrequest) of control DDIC.This TSCI request can be the request (a TSCI request) of control DDIC.And a TSCI request is that (time point 402) starts the action that control DDIC carries out driving sweep trace when synchronizing signal (HSYNC) is in negative edge.Afterwards, the TPIC sequence transmission signal 204 that can transmit as Fig. 3 comprises DDIC address, the initial/information such as sweep trace and scan command that terminates to DDIC, transmission and the reception of this sequence transmission signal 204 need the time of length 404 in one embodiment, and the clock pulse signal namely transmitted on time clock line when time point 406 (CLK) can pulled down to predetermined level.And sweep trace is driven from time point 406 to be started at after the first schedule time length 408 when synchronizing signal HSYN is in another negative edge once again.
Drive sweep trace may last till the time span of second schedule time 412, and be still maintained at predetermined level until complete the action driving sweep trace at this second schedule time 412 length internal clock pulse signal.
In one embodiment, the first schedule time length 408 can be greater than the second schedule time length 412.
TPIC can send the request (as the 2nd TSCI request) that setting DDIC scans set-up register content equally.This 2nd TSCI request be equally synchronizing signal HSYNC at a negative edge time (time point 414) time, the sequence transmission signal 304 that TPIC is transmitted as Fig. 3 arrives DDIC.The information that this sequence transmission signal 304 comprises sets scanning set-up register set information as being used for can be stored among scan register, and the driving of sweep trace is then scan the content (set information) of set-up registers for it according to these.
The scanning set-up register of DDIC includes set-up register (settingregister) and command register (commandregister).The content of set-up register and command register can the explanation of reference diagram 5A and Fig. 5 B.Fig. 5 A also has Fig. 5 B to be the schematic diagram driving scanning-line signal (TX) 502 and 504 respectively.Drive scanning-line signal to include multiple driving pulse 505-511 and 513,517,519 and also have 521.Fig. 5 A is the situation that certain contact panel of hypothesis has 4 sweep traces with Fig. 5 B.Fig. 5 A can be used for illustrating that other contact panel has situation more than 4 sweep traces with Fig. 5 B equally, and only selects the scanning line driving that wherein 4 sweep traces do particular range.And the sweep trace of particular range can be defined by aforementioned initial sweep line and end sweep trace information.
The driving of sweep trace can wait for that the schedule time (stand-by period (offset)) 506 starts afterwards after the triggering of motor synchronizing signal HSYNC negative edge.This schedule time 506 can be the part of the content of set-up register.And drive between the driving pulse of each sweep trace and may have predetermined interval (holdtime) 508, and the time span of each driving pulse (TXwidth) 512 is a part for set-up register content equally.In addition, drive scanning-line signal 502 to drive 2 times respectively to 4 sweep traces, the number of times of this driving individual scanning line is a part for command register contents.
Analogously, drive scanning-line signal 504 equally respectively to 4 scanning line driving 2 times, this scanning line driving of 2 times is a part for command register contents as previously mentioned.Motor synchronizing signal HSYNC negative edge triggers the action that the rear wait scheduled wait time 514 just starts to drive these 4 sweep traces afterwards to drive scanning-line signal 504 to point out equally.This scheduled wait time 514, adjacent driven is interpulse may predetermined interval 515, and each driving pulse time span 516 all can be a part for the content of set-up register.Fig. 5 A be all 4 sweep traces that will scan sequentially (sequentially) drive 1 time, Fig. 5 B is then that the sweep trace that each bar will be scanned first drives 2 times in order.In other words, the sweep trace of Fig. 5 A and Fig. 5 B adheres to different drive patterns (TXmode) in fact separately, and this drive pattern information is similarly a part for command register contents.
Fig. 6 be according to one embodiment of the invention by method 600 process flow diagram of TPIC control DDIC.TPIC and DDIC first starts origination action (step 602 and 603) each other.TPIC can wait for the synchronizing signal VSYNC (step 604) coming from DDIC afterwards, and TPIC also can wait for the synchronizing signal HSYNC (step 605) of DDIC, and can determine that whether will send any TSCI asks (step 606).After sending TSCI request, TPIC just can start the motion flow (step 608) of TSCI.First this motion flow is receive by DDIC the set information/command information (step 612) coming from TPIC.This set information/command information is transferred to DDIC via the mode of sequence transmission signal by TPIC.
DDIC can judge the operating mode of TPIC via received sequence transmission signal, to determine whether TPIC operates (step 614) under command mode.When TPIC be operate under command mode time, DDIC just starts after waiting for for first schedule time to drive sweep trace (step 616-618).When the sequence transmission signal that DDIC receives point out TPIC be not in command mode but operate under set model time, DDIC can set its scanning set-up register (step 622) according to the set information in sequence transmission signal.When aforementioned DDIC drives sweep trace in step 618, DDIC can carry out according to the content of scanning set-up register (this content is written to scanning set-up register usually in step 622).
During this DDIC drives the action of sweep trace to carry out, the clock pulse signal CLK (clock pulse signal as transmission on the time clock line 206 of Fig. 2) between DDIC and TPIC can be maintained at certain prearranged signal level.In other words, TPIC can wait the end (step 624) of clock pulse signal to be maintained.Afterwards, TPIC can terminate the action (step 626) of TSCI.
TPIC also can judge the end (step 628) now whether having reached each width (frame) signal, and if so, flow process 600 can go to step 604 to wait for synchronizing signal VSYNC.Otherwise flow process 600 can go to step 605 to wait for synchronizing signal HSYNC.
Although the present invention is with aforesaid embodiment openly as above, so itself and be not used to limit the present invention.Without departing from the spirit and scope of the present invention, the change of doing and retouching, all belong to scope of patent protection of the present invention.The protection domain defined about the present invention please refer to the scope of appended claim.
Claims (21)
1. the method by touch-control sensing chip controls one display driver chip, wherein this touch-control sensing chip be control a contact panel scanning and receive a sensing signal of this contact panel, and this display driver chip is the multiple sweep traces controlling a display panel and drive this contact panel, the method comprises:
This display driver chip receives the sequence transmission signal coming from this touch-control sensing chip, wherein this sequence transmission signal includes a mode indication information, this display driver chip knows an operating mode of this touch-control sensing chip according to this mode indication information, and this sequence transmission signal also includes a set information corresponding to this operating mode of this touch-control sensing chip or one scan command information;
When this touch-control sensing chip is when operating on a set model, this display driver chip is according to the one scan set-up register of this set information set and display driving chip of this sequence transmission signal; And
When this touch-control sensing chip be running in a command mode time, this display driver chip terminates multiple sweep trace described in a rear content driven according to this scanning set-up register according to this scan command information of this sequence transmission signal in one first schedule time.
2. the method for claim 1, is also contained in scanning motion and starts to carry out rear lasting maintenance one clock pulse signal in predetermined level one second schedule time, to receive another this sequence transmission signal after the described multiple sweep trace of driving completes.
3. method as claimed in claim 2, wherein this touch-control sensing chip is configured to wait for that this display driver chip continues to keep this clock pulse signal after this predetermined level reaches this second schedule time, prepares to transmit another this sequence transmission signal.
4. method as claimed in claim 2, wherein this first schedule time is in units of a horizontal-drive signal.
5. the method for claim 1, is also contained in when receiving this sequence transmission signal and transmits a confirmation to this touch-control sensing chip.
6. the method for claim 1, this sequence transmission signal includes an address of this display driver chip, an address of this pattern set-up register, this set information, or initial/terminate sweep trace information.
7. the method for claim 1, has also been contained in another this sequence transmission signal of wait-receiving mode after driving described multiple sweep trace or completing this scanning set-up register of setting.
8. the method for claim 1, wherein a time span of this first schedule time is greater than a time span of this scan command information.
9. the method for claim 1, wherein this content of this scanning set-up register comprises scan line scope corresponding when driving described multiple sweep trace.
10. the method for claim 1, wherein this touch-control sensing chip is configured to receive the synchronizing signal that this display driver chip exports, and determines whether there is a touch-control scan control interface requirements in this synchronizing signal.
11. the method for claim 1, wherein when operating in this set model, this touch-control sensing chip is configured to one group of parameter of this touch-control sensing chip and the described multiple sweep trace of setting driving determining to control, wherein this group parameter comprises the stand-by period of a driving pulse, one driving pulse time span, and the interval of two adjacent driving pulses.
12. 1 kinds use by the system of the method for touch-control sensing chip controls one display driver chip, comprise:
One contact panel, is scanned by this touch-control sensing chip controls and is received a sensing signal of this contact panel by this touch-control sensing chip; And
One display panel controlled by this display driver chip, wherein multiple sweep traces of this contact panel driven by this display driver chip;
Wherein, this display driver chip is in order to receive the sequence transmission signal coming from this touch-control sensing chip, wherein this sequence transmission signal comprises a mode indication information, this display driver chip knows an operating mode of this touch-control sensing chip according to this mode indication information, and this sequence transmission signal also comprises a set information corresponding to this operating mode of this touch-control sensing chip or one scan command information;
When this touch-control sensing chip is when operating on a set model, this set information according to this sequence transmission signal sets the one scan set-up register of this display driver chip; And
When this touch-control sensing chip be running in a command mode time, this scan command information according to this sequence transmission signal terminates multiple sweep trace described in a rear content driven according to this scanning set-up register in one first schedule time.
13. systems as claimed in claim 12, wherein this touch-control sensing chip is configured to receive the synchronizing signal that this display driver chip exports, and determines whether there is a touch-control scan control interface requirements in this synchronizing signal.
14. systems as claimed in claim 12, wherein when operating in this set model, this touch-control sensing chip is configured to one group of parameter of this touch-control sensing chip and the setting scanning motion determining to control, wherein this group parameter comprises the stand-by period of a driving pulse, one driving pulse time span, and the interval of two adjacent driving pulses.
15. systems as claimed in claim 12, scan line scope corresponding when wherein this touch-control sensing chip is in order to determine to drive described multiple sweep trace when operating in this command mode, and this content of this scanning set-up register comprises this scanning line range.
16. systems as claimed in claim 12, wherein this display driver chip is also contained in scanning motion and carries out rear lasting maintenance one clock pulse signal in predetermined level one second schedule time, to receive another this sequence transmission signal after the described multiple sweep trace of driving completes.
17. systems as claimed in claim 16, wherein this touch-control sensing chip is configured to wait for that this display driver chip continues to keep this clock pulse signal after this predetermined level reaches this second schedule time, prepares to transmit another this sequence transmission signal.
18. systems as claimed in claim 12, transmit a confirmation to this sensing control chip when wherein this display driver chip is also contained in this sequence transmission signal of reception one predetermined length.
19. systems as claimed in claim 12, wherein this sequence transmission signal includes an address of this display driver chip, an address of this pattern set-up register, this set information, or initial/terminate sweep trace information.
20. systems as claimed in claim 12, wherein this display driver chip be also contained in drive described multiple sweep trace or complete setting this scanning set-up register after another this sequence transmission signal of wait-receiving mode.
21. systems as claimed in claim 12, wherein a time span of this first schedule time is greater than a time span of this command information.
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| TW102101201 | 2013-01-11 | ||
| TW102101201A TWI488083B (en) | 2013-01-11 | 2013-01-11 | Method using touch sensing ic to control display driving ic and system using the same |
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| CN103309501B true CN103309501B (en) | 2016-02-10 |
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| TWI587190B (en) * | 2015-11-04 | 2017-06-11 | 友達光電股份有限公司 | Touch display apparatus and shift register thereof |
| TWI663531B (en) * | 2017-08-18 | 2019-06-21 | 友達光電股份有限公司 | Electronic device having touch panel and control circuit thereof |
| CN109992148B (en) | 2017-12-14 | 2023-06-20 | 矽创电子股份有限公司 | Touch display driving circuit |
| TWI647605B (en) * | 2018-02-14 | 2019-01-11 | 李尚禮 | Signal processing method of touch sensing device and touch sensing device |
| KR102509087B1 (en) * | 2018-06-12 | 2023-03-10 | 삼성디스플레이 주식회사 | Display device, driving device for display device, and method of driving display device |
| US20210280148A1 (en) * | 2020-03-03 | 2021-09-09 | Mediatek Inc. | Dynamic frame rate mechanism for display device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930314A (en) * | 2009-06-24 | 2010-12-29 | 奇景光电股份有限公司 | Touch control system in order to the control contact panel |
| CN102243554A (en) * | 2010-05-14 | 2011-11-16 | 瑞鼎科技股份有限公司 | Control method and control circuit for determining touch detection mode of touch panel |
| CN102402330A (en) * | 2010-09-08 | 2012-04-04 | 乐金显示有限公司 | Display device having touch sensor and method of driving the same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5539106B2 (en) * | 2010-08-23 | 2014-07-02 | 株式会社ジャパンディスプレイ | Display device with touch detection function, drive circuit, driving method of display device with touch detection function, and electronic device |
| TWI439050B (en) * | 2010-10-27 | 2014-05-21 | Au Optronics Corp | Shift register and touch device |
| TW201241681A (en) * | 2011-04-01 | 2012-10-16 | Novatek Microelectronics Corp | Touch-sensing apparatus |
| KR101819678B1 (en) * | 2011-04-07 | 2018-01-17 | 엘지디스플레이 주식회사 | Display having touch sensor and driving method thereof |
-
2013
- 2013-01-11 TW TW102101201A patent/TWI488083B/en active
- 2013-05-09 CN CN201310168874.3A patent/CN103309501B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930314A (en) * | 2009-06-24 | 2010-12-29 | 奇景光电股份有限公司 | Touch control system in order to the control contact panel |
| CN102243554A (en) * | 2010-05-14 | 2011-11-16 | 瑞鼎科技股份有限公司 | Control method and control circuit for determining touch detection mode of touch panel |
| CN102402330A (en) * | 2010-09-08 | 2012-04-04 | 乐金显示有限公司 | Display device having touch sensor and method of driving the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201428571A (en) | 2014-07-16 |
| TWI488083B (en) | 2015-06-11 |
| CN103309501A (en) | 2013-09-18 |
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